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襄樊妇幼保健中医院不孕不育多少钱襄樊市中心医院有割包皮襄樊市第二人民医院治疗前列腺疾病多少钱 Without water, there can be no life,没有水就没有生命but its distribution over the land is far from even.不过,水在陆地上的分配极不平均Deserts cover one third of the land#39;s surface and they#39;re growing bigger every year.沙漠覆盖了地球表面的1/3,而且面积每年都在增大This is the Kalahari Desert in Southern Africa.这里是南部非洲的卡拉哈里沙漠It#39;s the dry season and thousands of elephants have started to travel in desperate search for water.现在是旱季,数千头大象开始长途跋涉,不顾一切地寻找水源All across Southern Africa animals are journeying for the same reason.所有横穿南部非洲的野生动物都怀有同样的目的Buffalo join the great trek.非洲水牛也加入了这浩大的队伍Nowhere else on Earth are so many animals on the move with the same urgent purpose.如此之多的动物出于同一个紧急目的而进行大规模迁徙,这在地球上其它地方可看不到They#39;re all heading for the swamps of the Okavango, a vast inland delta.它们的目的地是奥卡万戈大沼泽,一片巨大的内陆三角洲At the moment it is dry, but water is coming.这时它仍处于旱季,可是水马上就要来了。The travellers are hampered by dangerous dust storms.肆虐的沙尘暴困住了这群迁徙的动物。 Article/201702/490412Pablo Picasso Biography毕加索的一生Pablo Picasso was one of the greatest artist of the 20th century, and was the co-founder of the cubist artist movement. Picasso was born in Malaga, Spain in 1881 to a middle-class family. He showed a talent for art at a young age, and received formal training from his father, who is an artist and museum curator.巴布罗·毕加索是二十世纪最伟大的艺术家之一,也是立体派艺术家运动的联合创始人。毕加索在1881年出生于西班牙马拉加一户中产阶级家庭。他在年轻时就展现出艺术天份,并从他的父亲那接受正规训练,他的父亲是一名艺术家及美术馆馆长。In 1895, Picasso#39;s sister died of diphtheria, and the family moved to Barcelona, where his father began working in the Barcelona School of Fine Arts. Picasso#39;s father then persuaded the academy to allow the 13-year-old Picasso to take the entrance exam. And he was admitted in only one week into the often month-long admission program.在1895年,毕加索的死于白喉,他们家搬到巴塞隆纳,在那他的父亲开始在巴塞隆纳艺术学校任职。毕加索的父亲接着说学校允许十三岁的毕加索参加入学考试。他在短短一周就申请到通常要花上一个月申请的科系。Picasso#39;s father then sent him to the Royal Academy in Madrid. But he stopped attending classes shortly after enrollment, and then moved between Paris and Spain, often living in poverty and desperation.毕加索的父亲接着送他到马德里皇家学院。但他在注册不久后就停止去上课,然后于巴黎及西班牙间移动,通常活在贫困及绝望中。He began experimenting with a number of new artistic style after finally settling in Paris in 1904, and met Fernande Olivier, a bohemian artist who appears in many paintings during Picasso#39;s Rose Period.在1904年终于在巴黎安顿后,他开始实验许多新的艺术风格,并认识了费尔南德·奥利弗--一位在毕加索玫瑰时期中出现在许多画作上的波希米亚艺术家。Picasso then joined the gallery in Paris, where he met a fellow artist named Georges Braque. Picasso worked closely with Braque and produced his revolutionary work Les Demoiselles d#39;Avignon, which introduced the new style of Cubism to the world.毕加索再来加入了巴黎的艺廊,在那他认识了名叫乔治·布拉克的艺术家同伴。毕加索与布拉克密切合作,并创作出他革命性的作品《亚维农的少女》,这将立体派的新风格引进了世界。Picasso then began attaching cloth, newspaper, and other items to his paintings and created the collage style. He then moved from style to style, and in 1918, married Olga Khokhlova, who he met while designing a ballet in Rome. Khokhlova introduced Picasso to high society, but this clashed with Picasso#39;s bohemian lifestyle, and they legally separated until Khokhlova#39;s death in 1955.然后毕加索开始将布料、报纸、还有其他物品贴上他的画作,并创作拼贴风格。他接着在不同风格间游移,且在1918年娶了欧嘉·科克洛瓦,她是他在罗马设计芭蕾舞时认识的女子。科克洛瓦将毕加索引入上流社会,但这与毕加索放荡不羁的生活型态相悖,他们依法分居直到科克洛瓦在1955年过世。After the outbreak of World War II, Picasso remained in German-occupied Paris and continued to paint, but did not exhibit during this time as he believed that his paintings would not fit with the Nazi ideals of perfect art. He produced works such as Still Life with a Guitar and the The Charnel House during this time. He also produced his famous work Guernica and several sculptural pieces during the Spanish Civil War.在第二次世界大战爆发后,毕加索留在遭德国占领的巴黎,并持续作画,但在这段时间中并没有展览,因为他相信他的画作并不符合纳粹对于完美艺术的理想典范。他在这段时间中创作出像是《吉他静物画》以及《停尸间》的画作。他同样也在西班牙内战期间创作出他知名的画作《格尔尼卡》以及数件雕塑作品。Picasso embarked on many affairs during his life and fathered several children by his various young mistresses. He died in 1973 in Mougins, France—a worldwide celebrity for a legacy of estimated 50,000 works including painting, sculptures, ceramics, tapestries, and rugs.毕加索在他的人生中进行许多风流韵事,并和他不同的年轻情妇生下几个小孩。他在1973年时于法国穆然过世--因为那包括画作、雕像、陶艺、壁毯及地毯等预估五万件遗作而享誉全球的名人。 Article/201412/350047襄阳中心医院报价

襄阳中医院割痔疮需要多少钱宜城市妇幼保健中医院做割包皮要多少钱 One step further towards organ regeneration.A Chinese biotechnological company claims to be have created the world’s first 3D blood vessel bio-printer, which could pave the way, in theory, to producing personalised, functional organs. One of the major stumbling blocks in tissue engineering is supplying artificial tissue with nutrients, and scientists around the world have been working for years on trying to create artificial blood vessels.向器官再生又迈进了一步。中国生物科技公司声称已经制造了世界上第一台3D血管生物打印机,理论上讲这为制造个人化功能器官铺平了道路。组织工程中主要的障碍之一是向人工组织提供营养,世界各地的科学家已经工作多年试图制造人造血管。With two nozzles working alternately, this bio-printer can finish a 10-centimeter blood vessel within two minutes.两只喷嘴交替工作,这种生物打印机可以在2分钟内制造一根10厘米的血管。The core of the printer is the BioBrick, in which there are stem cells. Given certain environments and certain conditions, stem cells can, according to our needs, differentiate into the cells we need.打印机的核心是生物砖,其中有干细胞。在特定的环境和条件下,干细胞可以根据我们的需要分化成我们需要的细胞。At the heart of the technology is a stem cell culture system that consists of seed cells and bio-inks filled with growth factors and nutrients. When combined with other materials, the 3D bioprinter creates layered cell structures that can be cultivated to form tissues with physiological functions.技术的核心是一个干细胞培养系统,包括种子细胞以及充满生长因子和营养物资的生物油墨。当与其它材料结合,3D生物打印机产生分层的细胞结构,能培养出具有生理功能的组织。The achievement here in producing a 3D blood vessel bio-printer is not just that we can print a blood vessel, but we have found a way of keeping vascular cells and other substances active. The method can be used to print blood vessels, but also livers, kidneys and other organs.3D血管生物打印机的成果不仅仅能打印血管,而且我们找到了一种使血管细胞和其它物质保持活性的方法。这种方法不仅能用于血管打印,也可用于肝、肾等器官的打印。While the prospect of a 3D-printed kidney, liver or heart remains years off, as creating entire organs involves work that is impossible today, the good news is that 3D printing does have the potential to help patients today in many other ways.尽管3D打印肾脏、肝脏或心脏的愿望仍然遥远,在尚不能完整制造器官的今天,好消息是3D打印在其它许多方面具有帮助病人的潜力。译文属。 /201511/407569宜城市中医院如何

襄阳宜城妇幼保健院中医院无痛人流手术怎么样栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghai#39;s English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。 Article/201510/406581 And the answer that occurred to me first,我首先想到的是was it looked like another moon peeking out behind lo.它看起来像是从木卫一后方露出来的另一个卫星But when she looked closer she realised it但仔仔观察后她才发现was something completely different.完全不是这么回事When I explored it I was able to find我仔仔研究后才发现that this large strange object,这个巨大的奇怪物体huge plume of a volcanic eruption arising 270 km原来是木卫一表面火山喷发over the surface of lo and raining back down onto it.造成的270公里高的烟流So I had discovered the first ever所以我是第一个在地球以外的地方volcanic eruption ever seen on another world besides the earth.看到火山喷发的人Io#39;s vibrant volcanic activity is caused来自木星的巨大引力by the massive gravitational pull exerted by Jupiter,挤压木卫一,并将它从内部加热which squeezes and heats the moon internally.导致木卫一上的火山活动,特别活络You could actually see by the edge of lo plumes of观察木卫一的边缘会发现what turned out to be sulphur dioxide gas shooting up大量由二氧化硫组成的烟流into space about 100 miles and dropping all this sulphur dioxide喷至一百里的高空snow back on the surface and the whole place is stained red并像雪花般地落回木卫一的表面and yellow with sulphur.整个木卫一被硫磺染得红黄相间It#39;s an incredible place.很不可思议Here was a moon to swoon over.这是个令人着迷的卫星It was far more exciting and exotic than our own boring,它比我们单调、死寂的月球lifeless moon.刺激多了And lo was just the beginning.而且木卫一只是开始Soon another of Jupiter#39;s moons Europa was also wowing scientists.不久之后,木星的另一颗卫星:木卫二也让科学家大为惊艳Europa#39;s surface had no craters.木卫二的表面没有陨石坑Close up it was covered in cracks and canyons.仔看之下会发现其上布满了裂隙与峡谷Europaclearly had a very young surface.木卫二的表面显然非常年轻We could tell that there weren#39;t many large impact craters看得出来它并没有很多大型撞击圆坑and the surface was relatively smooth and, and cracked.表面相对而言十分平滑,上面有裂隙Not chasms going deep down into it不是深入地底的地表裂痕but cracks filled in with something darker.而是充满某种黑色物质的裂隙A recently active surface.其表面近期内曾有过地质活动Looking at it scientists realised it was similar科学家发现木卫二的表面看来十分眼熟to scenes they knew from earth from the poles.因为它跟地球的两极很像Europa was covered in ice.木卫二曾被冰层复盖And because there were no craters they knew因为表面没有坑洞that the ice must have melted and refrozen many times.所以科学家知道冰层一定曾多次融解、结冻And that could mean only one thing:这只有一个意义There had to be liquid water木卫二上曾经存在the crucial ingredient for life on Europa.生命的关键元素,也就是水It got even more exciting when scientists began to speculate科学家开始推测where the heat to melt the ice was coming from.融化冰层的热力来自何处时Again the answer lay within our own planet.情况就更令人兴奋了On the floors of the oceans of the earth,这个问题的也存在地球上scientists had discovered ;black smokers;;科学家在海底发现了所谓的“黑烟囱”volcanic heat sources coming from below the earth#39;s crust,也就是来自地壳下方的火山热源warming the water from below.由下方加热海水Perhaps hot vents like these could exist under Europa#39;s icy crust.也许木卫二的冰层下方也有像这样的热源Scientists could barely contain their excitement科学家兴奋得无法自持liquid water and a volcanic heat source sounded like对许多人来说,液态水和火山热源the kind of conditions that many believe gave birth to life on earth.听起来很像地球上出现生命时的状况 Article/201505/373779樊城区妇幼保健中医院有割包皮襄阳市第一人民医院做割包皮要证明吗



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